..\JFlash.exe -openprj..\2to1\nrf51822.jflash -openG:..\2to1\H709.bin,0x8000 -saveas..\2to1\H709.hex,0x8000 -auto -exit
mergehex -m H709.hex band_kerwin(200).hex -o Rfid_2to1.hex

pause

不懂就看这份文档
C:\Program Files (x86)\SEGGER\JLink_V512f\Doc\Manuals\UM08003_JFlash.pdf